Home / 494,438.30-741,657.45-210,055.40

Finding the Fourth Proportional to 494,438.30, 741,657.45 and 210,055.40

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Solution

The fourth proportional to 494,438.30, 741,657.45 and 210,055.40 is: 315,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,438.30 : 741,657.45 = 210,055.40 : x
  2. Step 2: Convert to fraction form
    494,438.30/741,657.45 = 210,055.40/x
  3. Step 3: Cross multiply
    494,438.30x = 741,657.45 × 210,055.40
  4. Step 4: Simplify right side
    494,438.30x = 155,789,152,322.73
  5. Step 5: Solve for x
    x = 155,789,152,322.73/494,438.30
  6. Step 6: Final answer
    x = 315,083.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.